Home / 88,109.96-121,589.74-47,823.80

Finding the Fourth Proportional to 88,109.96, 121,589.74 and 47,823.80

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Solution

The fourth proportional to 88,109.96, 121,589.74 and 47,823.80 is: 65,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,109.96 : 121,589.74 = 47,823.80 : x
  2. Step 2: Convert to fraction form
    88,109.96/121,589.74 = 47,823.80/x
  3. Step 3: Cross multiply
    88,109.96x = 121,589.74 × 47,823.80
  4. Step 4: Simplify right side
    88,109.96x = 5,814,883,407.81
  5. Step 5: Solve for x
    x = 5,814,883,407.81/88,109.96
  6. Step 6: Final answer
    x = 65,995.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.